A lunch tray is being held in one hand, as the figure
illustrates. The mass of the tray itself is 0.191 kg, and its
center of gravity is located at its geometrical center. On the tray
is a 1.26-kg plate of food and a 0.224-kg cup of coffee. Obtain
(a) the force exerted by the thumb and
(b) the force exerted by the four
fingers. Both forces act perpendicular to the tray, which is being
held parallel to the ground.
A Lunch Tray Is Being Held In One Hand As The Figure Illustrates The Mass Of The Tray Itself Is 0 191 Kg And Its Cent 1 (30.5 KiB) Viewed 50 times
0.400 m 0.380 m 0.240 m 0.100 m 0.0600 m 17
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!